After upgrading to 10.10, I can't login anymore. The problem seems be related to graphic card (computer is Lenovo S10e) and new unity interface. I wonder if anyone have similiar problems and if some solution exists.

Please rephrase as a clear question. It is hard to answer due to its vagueness. This sort of troubleshooting may be better off as a forum thread (ubuntuforums.org) or on IRC because people can then ask you questions to get more information to help them to solve your problem.
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dv3500eaOct 10 '10 at 19:07

After lots of trial and error I managed to get "Ubuntu Netbook Edition 2D" running. I done a lot of things trying to move from blank screen but for reference to other users who could have similar problems I would say that login to terminal and removing all folders with .gnome and .gconf helped to reset defaults.
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bmihelacOct 10 '10 at 19:33

"Ubuntu Netbook Edition 2D" doesn't seem to behave like it should so I am switching to Destop Edition for now. Thanks everyone for help.
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bmihelacOct 10 '10 at 19:45

You might want to try reinstalling--if that doesn't help try burning and installing the Desktop version and running sudo apt-get install ubuntu-desktop
edit: sorry, the actual package name is ubuntu-desktop